# Part 1
# open the `/core/units/helpers/cat_dbitem_export_helper.php` file for editing
# comment out last IF (validation error removal) in the `\kCatDBItemExportHelper::setFieldValue` method
# save changes
# execute tests in the `kOptionsFormatterTest` test case
# login to the Admin Console
# go to the {nav Website & Content > Structure & Data > Products} section
# create a product
# select that product in the grid
# use `Export` menu item under the `Tools` toolbar button to export at least these product info columns:
* SKU
* Status
* CategoryPath
* l1_Name
* ProductId
* EditorsPick
# open an exported CSV file for editing
# change `Status` column value to any non-existing option (e.g. `Non-Existing`)
# go to the {nav Tools > Import Data} section
# import that modified CSV file
# go to the {nav Website & Content > Structure & Data > Products} section
# confirm that a new product wasn't created as a result of the CSV import
# go to the {nav Logs & Reports > System Log} section
# confirm, that:
* there is a record about failed product creation due to the `unknown_option` validation error
* it shows the wrong option title (from the CSV file)
# Part 2
# login to the Admin Console
# go to the {nav Website & Content > Polls} section
# create a poll in `Active` status
# open that poll for editing
# in the `poll` unit config comment-out `Active` option
# in Admin Console try saving that poll
# confirm that you'll get a nice error back saying, that `1` option doesn't exist
# Part 3
IMPORTANT: Do this from the Web Browser by hand to test that human can do this.
# locate all units that use `kOptionsFormatter` formatter
# for each unit:
# try adding a new record
# try editing and changing the above-added record
# confirm that the `unknown_option` validation error (introduced in this Differential Revision) isn't happening
# report back each unit where an error happened during correct usage and explain that usage